Alta Tower, Le Havre, France twisting building

Designed by Hamonic+Masson & Associés the Alta Tower, Le Havre, France, is a twisting concrete tower, a new landmark at the centre of French UNESCO World Heritage site. The competition brief called for a residential tower that would build on Perret’s celebrated reinvention of Le Havre, and link Niemeyer’s distinctively curvaceous concrete building with the strict modern grid of Perret’s urban plan